CN217977479U

CN217977479U - Novel two-piece type high-platform internal thread ball valve

Info

Publication number: CN217977479U
Application number: CN202222054159.4U
Authority: CN
Inventors: 黄权; 李华松; 李华江
Original assignee: Zhejiang Woding Fluid Equipment Technology Co ltd
Current assignee: Zhejiang Woding Fluid Equipment Technology Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2022-12-06
Anticipated expiration: 2032-08-02

Abstract

The utility model relates to a novel two formula high platform internal thread ball valves, which comprises a valve body, be equipped with the spheroid in the valve body, still be equipped with in the valve body and be used for driving spheroid pivoted valve rod, all be equipped with the disk seat on the spheroidal left and right sides, the disk seat is contradicted and is sealed between valve body and spheroid, be the annular on the lateral wall of disk seat and seted up the mounting groove, be equipped with in the mounting groove and be used for propping the elasticity distraction mechanism that the disk seat propped towards both sides. The utility model provides an elasticity struts mechanism struts the disk seat to both sides, and the gap that produces after the compensation disk seat used for a long time has solved the disk seat and has leaded to the problem that its leakproofness reduces because of long-term use wearing and tearing.

Description

Novel two-piece type high-platform internal thread ball valve

Technical Field

The utility model relates to a ball valve field, especially a novel two formula high platform internal thread ball valves.

Background

The two-piece ball valve with internal thread and gate valve are both a kind of valve, and their closing member is a ball body, and the ball body can be rotated around the central line of valve body so as to attain the goal of opening and closing. Ball valves are used in pipelines primarily to shut off, distribute and change the direction of flow of a medium. After the ball valve is used for a long time, the ball body rotates relative to the valve seat for a long time, so that the position, which is in contact with the ball body, on the valve seat is easily abraded, a gap is generated between the valve seat and the ball body, a medium leaks from the gap, and the sealing performance between the valve seat and the ball body is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a strengthen sealed novel two formula high platform internal thread ball valves between disk seat and the spheroid, solved the above-mentioned problem that exists in the use among the prior art.

The technical scheme of the utility model is realized like this: the utility model provides a novel two formula high platform internal thread ball valves, includes the valve body, be equipped with the spheroid in the valve body, still be equipped with in the valve body and be used for driving spheroid pivoted valve rod, all be equipped with the disk seat on the spheroidal left and right sides, the disk seat is contradicted and is sealed between valve body and spheroid, be the annular on the lateral wall of disk seat and seted up the mounting groove, be equipped with in the mounting groove and be used for the elasticity that struts the disk seat towards both sides and strut the mechanism.

Through adopting above-mentioned technical scheme, elasticity struts the mechanism and struts the disk seat to both sides, and the compensation is because of long-time the back of using, and the leakproofness of ball valve is guaranteed to the gap that produces between disk seat because of wearing and tearing and the spheroid.

Elasticity struts mechanism is including preceding apical ring, back apical ring and wave spring, preceding apical ring all supports with back apical ring and holds on the disk seat, preceding apical ring is located the mounting groove and is close to spheroid one side, back apical ring is located the mounting groove and is close to valve body one side, wave spring is located between apical ring and the back apical ring before.

By adopting the technical scheme, when the valve seat is used for a long time, the position on the valve seat, which is in contact with the ball body, is abraded to generate a gap, the wave spring can be used for expanding the front top ring and the rear top ring to drive the front top ring to be abutted against the valve seat, so that the valve seat is tightly pressed on the ball body to ensure that the sealing between the valve seat and the ball body is ensured, and a medium cannot leak out of the gap; in addition, the rear top ring and the front top ring act on the valve seat in opposite directions, so that the valve seat is pressed on the valve body, and the valve seat and the valve body are kept sealed.

The valve comprises a valve body and a valve seat, wherein the valve body is provided with a valve seat, the valve seat is internally provided with a clamping groove in an annular shape, and the clamping groove is matched with the annular clamping block.

Through adopting above-mentioned technical scheme, can keep the stability of disk seat installation, the leakproofness between this structure can improve disk seat and the valve body simultaneously.

The outer wall of the valve rod is connected with a check ring, an inner convex ring is arranged on the inner side of the valve body, the check ring is located on the lower side of the inner convex ring, and a sealing ring is arranged between the inner convex ring and the check ring.

Through adopting above-mentioned technical scheme, the sealing washer can prevent that the medium from spilling from the valve body, guarantees the leakproofness of ball valve.

The upper side of the inner convex ring is provided with a stuffing box, the stuffing box is positioned between the valve rod and the valve body, and the upper side of the stuffing box is provided with a gland.

Through adopting above-mentioned technical scheme, the leakproofness of valve body is further strengthened to packing box cooperation sealing washer.

The high platform of valve body upside fixedly connected with, including the fixing base that is located high platform upside on the gland, it has the through-hole to open on the high platform, it has the screw hole corresponding with the through-hole to open on the fixing base, be equipped with clamping screw in the through-hole, clamping screw passes through-hole and threaded connection on the screw hole.

Through adopting above-mentioned technical scheme, fix the gland on high platform and can guarantee the structural stability of packing box, prevent that the packing box from deviating from between valve rod and the valve body, guarantee the leakproofness of packing box.

The fixed screw comprises a screw head positioned on the lower side of the high platform, and a belleville spring is arranged between the screw head and the high platform.

Through adopting above-mentioned technical scheme, belleville spring passes through the screw head and exerts pressure downwards on fixing screw, prevents that fixing screw from becoming flexible after long-time the use, makes the gland compress tightly on the packing box all the time, guarantees the leakproofness of valve body.

And the high platform is provided with an electric actuator, and the electric actuator is connected with the valve rod.

Through adopting above-mentioned technical scheme, electric actuator can accurate control spheroid direction of rotation, adjusts the medium velocity of flow.

The valve body comprises a left valve body and a right valve body, and the left valve body is in threaded connection with the right valve body.

Through adopting above-mentioned technical scheme, this structure makes things convenient for valve body to dismantle and install.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic perspective view of the valve seat of the present invention;

FIG. 4 is a schematic view of the structure of FIG. 3 viewed from another angle;

FIG. 5 is a front view of the valve seat of the present invention;

FIG. 6 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 5;

fig. 7 is a schematic view of the three-dimensional structure of the middle front top ring, the rear top ring and the wave spring of the present invention.

Reference numbers in the figures: the valve comprises a valve body 1, a ball body 2, a valve rod 3, a valve seat 4, a mounting groove 5, a front top ring 6, a rear top ring 7, a wave spring 8, a clamping groove 9, an annular clamping block 10, a retaining ring 11, an inner convex ring 12, a sealing ring 13, a packing box 14, a gland 15, a high platform 16, a fixed seat 17, a through hole 18, a threaded hole 19, a fixing screw 20, a butterfly spring 21, an electric actuator 22, a left valve body 23, a right valve body 24 and a screw head 201.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 7 of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example (b):

as shown in fig. 1 to 7, the utility model discloses a novel two-piece type high platform internal thread ball valve, including valve body 1, be equipped with spheroid 2 in valve body 1 to still be equipped with in the valve body 1 and be used for driving spheroid 2 pivoted valve rod 3, and all be equipped with disk seat 4 on spheroid 2's the left and right sides, disk seat 4 contradicts and seals between valve body 1 and spheroid 2, in addition, has seted up annular mounting groove 5 on disk seat 4's the lateral wall, and is equipped with in the mounting groove 5 and is used for strutting the elasticity that disk seat 4 struts towards both sides. The valve seat 4 is expanded from the middle to both sides, so that two of the valve seats can be tightly attached to the valve body 1 and the ball 2.

Specifically, elasticity struts mechanism including preceding apical ring 6, back apical ring 7 and wave spring 8, preceding apical ring 6 all supports with back apical ring 7 and holds on disk seat 4, and wherein, preceding apical ring 6 is located mounting groove 5 and is close to spheroid 2 one side, and back apical ring 7 is located mounting groove 5 and is close to valve body 1 one side, and wave spring 8 is located between apical ring 6 and the back apical ring 7 before. The wave spring 8 supports the front top ring 6 and the rear top ring 7 towards two sides on the valve seat 4, the valve seat 4 is propped open towards two sides, when the position on the valve seat 4, which is in contact with the ball body 2, is abraded, the propped-open valve seat 4 can compensate the gap generated by abrasion, and the sealing of the valve seat 4 and the ball body 2 is ensured.

In order to ensure the stability of the installation of the valve seat 4, the inner side of the valve seat 4 is provided with an annular clamping groove 9, an annular clamping block 10 is arranged in the valve body 1, the annular clamping block 10 is arranged in the clamping groove 9 in a matching mode, the position of the valve seat 4 can be fixed through the structure, and the valve seat is firmly and reliably installed.

The utility model discloses in, be connected with retaining ring 11 on the outer wall of valve rod 3, and the inboard of valve body 1 is equipped with interior collar 12, wherein, retaining ring 11 is located interior collar 12 downside to be equipped with sealing washer 13 between interior collar 12 and the retaining ring 11, sealing washer 13 can prevent that the medium from spilling between valve body 1 and the valve rod 3.

In order to further improve the sealing performance between the valve body 1 and the valve rod 3, a stuffing box 14 is arranged on the upper side of the inner convex ring 12, the stuffing box 14 is positioned between the valve rod 3 and the valve body 1, and a gland 15 is arranged on the upper side of the stuffing box 14.

In addition, the upper side of the valve body 1 is fixedly connected with a high platform 16, the gland 15 comprises a fixed seat 17 positioned on the upper side of the high platform 16, the high platform 16 is provided with a through hole 18, the fixed seat 17 is provided with a threaded hole 19 corresponding to the through hole 18, a fixing screw 20 is arranged in the through hole 18, the fixing screw 20 penetrates through the through hole 18 and is in threaded connection with the threaded hole 19, and therefore the gland 15 is firmly and reliably pressed on the stuffing box 14.

The fixing screw 20 includes a screw head 201 located below the high platform 16, and a belleville spring 21 is provided between the screw head 201 and the high platform 16. The belleville spring 21 can release potential energy when the fixing screw 20 is loosened, so that the gland 15 can be pressed on the stuffing box 14 all the time, and the sealing performance of the valve body 1 is ensured.

The utility model discloses in, be equipped with electric actuator 22 on the high platform 16, electric actuator 22 links to each other with valve rod 3. The electric actuator 22 can precisely control the rotation direction of the ball 2 through the valve rod 3 to adjust the flow rate of the medium. The electric actuator 22 and the connection structure between the electric actuator 22 and the valve rod 3 are the prior art, and are not described herein again.

The utility model discloses in, valve body 1 includes left valve body 23 and right valve body 24, and threaded connection between left valve body 23 and the right valve body 24, and this structure is convenient for install the dismantlement.

The utility model that should point out simultaneously indicates the terminology, like: the references to "front", "rear", "vertical", "horizontal", etc. indicate orientations or positional relationships based on the orientation or positional relationship shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the invention.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel two high platform internal thread ball valves of piece formula, includes valve body (1), its characterized in that: be equipped with spheroid (2) in valve body (1), still be equipped with in valve body (1) and be used for driving spheroid (2) pivoted valve rod (3), all be equipped with disk seat (4) on the left and right sides of spheroid (2), conflict between valve body (1) and spheroid (2) disk seat (4), be the annular on the lateral wall of disk seat (4) and seted up mounting groove (5), be equipped with in mounting groove (5) and be used for strutting disk seat (4) towards the elasticity that both sides propped open the mechanism.

2. The novel two-piece high platform internal thread ball valve according to claim 1, wherein: elasticity struts mechanism is including preceding apical ring (6), back apical ring (7) and wave spring (8), preceding apical ring (6) all support with back apical ring (7) and hold on disk seat (4), preceding apical ring (6) are located mounting groove (5) and are close to spheroid (2) one side, back apical ring (7) are located mounting groove (5) and are close to valve body (1) one side, wave spring (8) are located between apical ring (6) and back apical ring (7) before.

3. The novel two-piece high platform internal thread ball valve according to claim 1, characterized in that: the valve is characterized in that an annular clamping groove (9) is formed in the inner side of the valve seat (4), an annular clamping block (10) is arranged in the valve body (1), and the annular clamping block (10) is arranged in the clamping groove (9) in a matched mode.

4. The novel two-piece high platform internal thread ball valve according to claim 1, wherein: the outer wall of the valve rod (3) is connected with a check ring (11), an inner convex ring (12) is arranged on the inner side of the valve body (1), the check ring (11) is located on the lower side of the inner convex ring (12), and a sealing ring (13) is arranged between the inner convex ring (12) and the check ring (11).

5. The novel two-piece high platform internal thread ball valve according to claim 4, characterized in that: the upper side of the inner convex ring (12) is provided with a stuffing box (14), the stuffing box (14) is positioned between the valve rod (3) and the valve body (1), and the upper side of the stuffing box (14) is provided with a gland (15).

6. The novel two-piece high platform internal thread ball valve according to claim 5, wherein: the high platform (16) of valve body (1) upside fixedly connected with, including fixing base (17) that are located high platform (16) upside on gland (15), it has through-hole (18) to open on high platform (16), it has screw hole (19) corresponding with through-hole (18) to open on fixing base (17), be equipped with clamping screw (20) on through-hole (18), clamping screw (20) pass through-hole (18) and threaded connection on screw hole (19).

7. The novel two-piece high platform internal thread ball valve according to claim 6, wherein: the fixed screw (20) comprises a screw head (201) positioned on the lower side of the high platform (16), and a belleville spring (21) is arranged between the screw head (201) and the high platform (16).

8. The novel two-piece high platform internal thread ball valve according to claim 6, characterized in that: an electric actuator (22) is arranged on the high platform (16), and the electric actuator (22) is connected with the valve rod (3).

9. The novel two-piece high platform internal thread ball valve according to claim 1, wherein: the valve body (1) comprises a left valve body (23) and a right valve body (24), and the left valve body (23) is in threaded connection with the right valve body (24).